package sealte.util.string;

import java.util.regex.Pattern;

public class StringUtil {

	public static boolean isNumber(String orgNum){
		Pattern pattern = Pattern.compile("[0-9]*");
		return pattern.matcher(orgNum).matches();
	}
	
	public static boolean isEmpty(String str){
		return null==str || str.trim().length()==0;
	}
}
